Added -faligned-new to fix compilation.

As fbzmq is passing -Werror, fixed compilation with newer GCC versions.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Signed-off-by: Rosen Penev <rosenp@gmail.com>

fbzmq provides a framework for writing services in C++ while leveraging
the features of libzmq (message passing semantics).

Compile tested: nbg6817, master

Maintainer: me

Signed-off-by: Amol Bhave <ambhave@fb.com>